Like all things, there are restraints to the rules: "Natives" must remain in their quadrant and it must take place "during daylight time periods." But that's not all. There are repercussions to not following the strict protocol established.

Heed. Obey. Serve.

The first two PSAs, featuring Captain Windmark (Michael Kopsa), revolved around travel and cerebral scans, acting as a preview -- of sorts -- to Fringe's fifth and final season.